Girsang, Zulkifli, and Winsyahputra Ritonga. “RANCANG BANGUN SISTEM PENGONTROL LAMPU OTOMATIS BERBASIS ARDUINO UNO R3 DAN SMARTPHONE”. EINSTEIN (e-Journal) 7, no. 1 (February 16, 2019). Accessed October 12, 2025. https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/12496.